Question: Supposed a sorted array is sent to Quicksort. However, we modify the pivot selection so that we compare the first, middle and last array element

Supposed a sorted array is sent to Quicksort. However, we modify the pivot selection so that we compare the first, middle and last array element with each other and find the middle on. Then swap the middle one with the 1st element and proceed as usual. What will be the complexity in this case? Briefly explain.

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